I am working on the proj that needed 2 MCU and nrf51822 work as slave.
I would like to know any ref on how to firmware upgrade on board without external tool?
We're looking for a Nordic nRF51822 based low profile/small USB dongle that we can use for our iBeacon software.
It would need to come complete with casing and the ability...
Hi all,
i want to establish connection between two threads in cmsis-rtos, can i use
1) semaphore to do this?
2)message queue should be used or any other ipcs can be...
Hi,
I have two CPU in our product. (STM32F2 and Nordic nrf51422).
I use serialization function to link those two CPU(refer to ble_s110_serialization sample)
But I find...
Hi,
My behavior is as follows
Turn on my device(use 51422) and advertising(2 Service and 3 Characteristic)
Turn on my cell phone(Samsung Note3),scan my device...
Hello:
I used analog IIC write MPU6050. Again after power download programs, mpu6050 can run up there ACK response. But the debug will not run. Simulation IIC because no...
Hello!
How can I communicate with my nRF24L01+ and nRF51822 at the same time. I can set up same channel, CRC-mode and I don't use ESB. But what about address? How do I set...
I am using nrf52832_xxaa and I'm porting my device from SDK11 to 14.
#define APP_SOC_OBSERVER_PRIO 1 /// Applications' SoC observer priority. #define APP_BLE_OBSERVER_PRIO...
Hello guys,
I have got some evaluation project based on Mesh.
I have got Mesh SDK (nrf52832 DK Based) and Thingy52 Mesh examples working. Even we created sample Android...
How is the output power effected by temperature on the nRF52832 chip? Is there any data or documentation specifying the change in output power vs low and high temps?
Hi,
I use the bootloader example given into the library to update my application (or bootloader and/or softdevice+bootloader) via DFU but I don't find in this code how to...
Hello,
I have questions on the Provisioner of a network. Reading through the documentation on Mesh Provisioning, I have come to understand that some amount of data has...
I've tried this but it does not work: static void adv_slots_init(void)
{
uint8_t default_frame_data[] = {0x03,0x03,0xAA, 0xFE,0x13,0x16,0xAA, 0xFE,0x10, 0xF8,0x03,'g','o...
on the nrf52832 I am configuring pin 10 as an input. There is either 0 or 3.1V on the pin depending on whether a charger is connected to the board.
When I read the state...
Just stumbled upon this:
#define TIMER_PRESCALER_PRESCALER_Msk (0xFUL << TIMER_PRESCALER_PRESCALER_Pos) /*!< Bit mask of PRESCALER field. */
Should be
#define TIMER_PRESCALER_PRESCALER_Msk...
I am working on project where I am storing and reading data from an SD card. During the initialization, I would like to print the full contents of the root directory - "/...
Hello,
I have a problem through which unfortunately I'm not able to come across alone. I'm using nRF52832 with softdevice and UART central example from SDK14.2 (..\examples...
I'm using nRF52840-PDK. I created a custom ble service following this tutorial ( github.com/.../custom_ble_service_example) and sent my sensor data over bluetooth. Now I'm...
Hi ,
I am trying to disconnect a connected central (phone) by calling sd_ble_gap_disconnect from my nrf52 configured in multiperipheral mode. . The disconnect call returns...
I am trying to time a capacitor discharge through different resistance sensors for greater resolution than an ADC. I did this using the GPIO functions initially but the SD...